Speaking during a conference call after market close, Cisco CEO John Chambers cited Europe, the public sector and India as areas of concern. Southern Europe's economic problems, he noted, have spread to northern Europe.

The weaker-than-anticipated forecast forced Cisco's shares down on Wednesday and the stock was off 7.56% at $17.36 before market open.

Cisco was also the most active premarket Nasdaq stock on share volume of 1,932,041.

Sirius XM(SIRI) , however, was a Nasdaq gainer in premarket trading. Shares of the satellite radio giant climbed 1.83% to $2.22 on share volume of 318,852.

Apple's(AAPL) stock also crept northward on Thursday, rising 0.93% to $574.47 on share volume of 56,223.